Pincon Spirit recently said it had increased the production capacity at its plant in Asansol, West Bengal, to 40 lakh bottles a month from 12 lakh bottles. An automatic assembly line has also been installed at the unit, and this would boost market penetration in south-west Bengal, the Kolkata-based company said in an exchange filing. Shares of Pincon Spirit jumped 5.6 per cent at ₹69.75 on the NSE.